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Bug #324 » lttng_not_tracing_after_reboot_PL4.txt

Jesus Garcia, 08/15/2012 02:31 PM

 

PL-4:~ # ps -eaf | egrep "trace|lttng|TestApp"
root 5628 1 0 10:50 ? 00:00:00 lttng-sessiond -d
root 5715 1 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa
root 5725 1 0 10:50 ? 00:00:00 /opt/trace/sbin/trace_p
root 5789 5715 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa
root 6785 5628 0 11:02 ? 00:00:00 lttng-consumerd --quiet -u --consumerd-cmd-sock /var/run/lttng/ustconsumerd64/command --consumerd-err-sock /var/run/lttng/ustconsumerd64/error
root 10988 7858 0 12:10 pts/0 00:00:00 egrep trace|lttng|TestApp
PL-4:~ #
PL-4:~ #
PL-4:~ # ps -eaf | egrep "trace|lttng|demo"
root 5628 1 0 10:50 ? 00:00:00 lttng-sessiond -d
root 5715 1 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa
root 5725 1 0 10:50 ? 00:00:00 /opt/trace/sbin/trace_p
root 5789 5715 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa
root 6785 5628 0 11:02 ? 00:00:00 lttng-consumerd --quiet -u --consumerd-cmd-sock /var/run/lttng/ustconsumerd64/command --consumerd-err-sock /var/run/lttng/ustconsumerd64/error
root 11006 7858 0 12:10 pts/0 00:00:00 egrep trace|lttng|demo
PL-4:~ #
PL-4:~ #
PL-4:~ # lttng list
Currently no available tracing session
PL-4:~ #
PL-4:~ #
PL-4:~ # lttng list -u
UST events:
-------------
None

PL-4:~ #
PL-4:~ #
PL-4:~ # cd /cluster/temp/tdlt/
PL-4:/cluster/temp/tdlt # ll
total 296
-rwxr-xr-x 1 root root 81735 Aug 15 00:02 TestApp_Fork1_noLttng
-rwxr-xr-x 1 root root 87926 Aug 8 09:38 TestApp_Thread100
drwxr-xr-x 4 root root 4096 Aug 15 00:00 TestApp_bin_for_ProgrammerGuide
-rw-r--r-- 1 root root 119 Aug 8 16:58 bashrc_for_Stability
-rwxr-xr-x 1 root root 98840 Aug 15 00:02 liblttng-ust-provider-TestApp-Fork1.so
drwxr-xr-x 2 root root 4096 Aug 15 12:06 lttng_demo_bin
-rw-r--r-- 1 root root 255 Aug 13 15:43 prof1.txt
PL-4:/cluster/temp/tdlt # cd lttng_demo_bin/
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # ll
total 96
-rwxr-xr-x 1 root root 25142 Aug 15 12:06 demo
-rwxr-xr-x 1 root root 119 Aug 15 12:06 demo-trace
-rwxr-xr-x 1 root root 40243 Aug 15 12:06 liblttng-ust-provider-ust-tests-demo.so
-rwxr-xr-x 1 root root 24012 Aug 15 12:06 liblttng-ust-provider-ust-tests-demo3.so
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # ./demo-trace 500 &
[1] 11067
PL-4:/cluster/temp/tdlt/lttng_demo_bin # Demo program starting.

PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # lttng list -u
UST events:
-------------

PID: 11068 - Name: ./demo
ust_tests_demo2:loop (loglevel: TRACE_WARNING (4)) (type: tracepoint)
ust_tests_demo:done (loglevel: TRACE_CRIT (2)) (type: tracepoint)
ust_tests_demo:starting (loglevel: TRACE_CRIT (2)) (type: tracepoint)
ust_tests_demo3:done (loglevel: TRACE_WARNING (4)) (type: tracepoint)

PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # pkill demo
[1]+ Terminated ./demo-trace 500
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # ps -eaf | egrep "trace|lttng|demo"
root 5628 1 0 10:50 ? 00:00:00 lttng-sessiond -d
root 5715 1 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa
root 5725 1 0 10:50 ? 00:00:00 /opt/trace/sbin/trace_p
root 5789 5715 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa
root 6785 5628 0 11:02 ? 00:00:00 lttng-consumerd --quiet -u --consumerd-cmd-sock /var/run/lttng/ustconsumerd64/command --consumerd-err-sock /var/run/lttng/ustconsumerd64/error
root 11105 7858 0 12:12 pts/0 00:00:00 egrep trace|lttng|demo
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # lttng create ses1
Session ses1 created.
Traces will be written in /root/lttng-traces/ses1-20120815-121256
PL-4:/cluster/temp/tdlt/lttng_demo_bin # lttng enable-event ust_tests_demo* -u
UST event ust_tests_demo* created in channel channel0
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # lttng list
Available tracing sessions:
1) ses1 (/root/lttng-traces/ses1-20120815-121256) [inactive]

Use lttng list <session_name> for more details
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # lttng list ses1
Tracing session ses1: [inactive]
Trace path: /root/lttng-traces/ses1-20120815-121256

=== Domain: UST global ===

Channels:
-------------
- channel0: [enabled]

Attributes:
overwrite mode: 0
subbufers size: 4096
number of subbufers: 4
switch timer interval: 0
read timer interval: 200
output: mmap()

Events:
ust_tests_demo* (type: tracepoint) [enabled]

PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # LTTNG_UST_DEBUG=1 ./demo-trace 80 &
[1] 11262
PL-4:/cluster/temp/tdlt/lttng_demo_bin # liblttng_ust_tracepoint[11263/11263]: just registered a tracepoints section from 0x7f74158a4bf8 and having 1 tracepoints (in tracepoint_register_lib() at tracepoint.c:639)
liblttng_ust_tracepoint[11263/11263]: registered tracepoint: lttng_ust:metadata (in tracepoint_register_lib() at tracepoint.c:644)
libust[11263/11263]: just registered probe lttng_ust containing 1 events (in ltt_probe_register() at ltt-probes.c:109)
libust[11263/11263]: Registered event probe "lttng_ust:metadata" with signature "const char *, str" (in ltt_probe_register() at ltt-probes.c:118)
libust[11263/11263]: LTT : ltt ring buffer client init
(in ltt_ring_buffer_metadata_client_init() at ltt-ring-buffer-metadata-client.h:334)
libust[11263/11263]: LTT : ltt ring buffer client init
(in ltt_ring_buffer_client_overwrite_init() at ltt-ring-buffer-client.h:584)
libust[11263/11263]: LTT : ltt ring buffer client init
(in ltt_ring_buffer_client_discard_init() at ltt-ring-buffer-client.h:584)
libust[11263/11265]: Info: sessiond not accepting connections to local apps socket (in ust_listener_thread() at lttng-ust-comm.c:716)
libust[11263/11265]: Waiting for local apps sessiond (in wait_for_sessiond() at lttng-ust-comm.c:638)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11263]: just registered probe ust_tests_demo3 containing 1 events (in ltt_probe_register() at ltt-probes.c:109)
libust[11263/11263]: Registered event probe "ust_tests_demo3:done" with signature "int, value" (in ltt_probe_register() at ltt-probes.c:118)
liblttng_ust_tracepoint[11263/11263]: Registering probe to tracepoint ust_tests_demo3:done (in __tracepoint_probe_register() at tracepoint.c:427)
libust[11263/11263]: just registered probe ust_tests_demo2 containing 1 events (in ltt_probe_register() at ltt-probes.c:109)
libust[11263/11263]: Registered event probe "ust_tests_demo2:loop" with signature "int, anint, int, netint, long *, values, char *, text, size_t, textlen, double, doublearg, float, floatarg" (in ltt_probe_register() at ltt-probes.c:118)
liblttng_ust_tracepoint[11263/11263]: Registering probe to tracepoint ust_tests_demo2:loop (in __tracepoint_probe_register() at tracepoint.c:427)
libust[11263/11263]: just registered probe ust_tests_demo containing 2 events (in ltt_probe_register() at ltt-probes.c:109)
libust[11263/11263]: Registered event probe "ust_tests_demo:starting" with signature "int, value" (in ltt_probe_register() at ltt-probes.c:118)
liblttng_ust_tracepoint[11263/11263]: Registering probe to tracepoint ust_tests_demo:starting (in __tracepoint_probe_register() at tracepoint.c:427)
libust[11263/11263]: Registered event probe "ust_tests_demo:done" with signature "int, value" (in ltt_probe_register() at ltt-probes.c:118)
liblttng_ust_tracepoint[11263/11263]: Registering probe to tracepoint ust_tests_demo:done (in __tracepoint_probe_register() at tracepoint.c:427)
liblttng_ust_tracepoint[11263/11263]: just registered a tracepoints section from 0x602158 and having 4 tracepoints (in tracepoint_register_lib() at tracepoint.c:639)
liblttng_ust_tracepoint[11263/11263]: registered tracepoint: ust_tests_demo3:done (in tracepoint_register_lib() at tracepoint.c:644)
liblttng_ust_tracepoint[11263/11263]: registered tracepoint: ust_tests_demo2:loop (in tracepoint_register_lib() at tracepoint.c:644)
liblttng_ust_tracepoint[11263/11263]: registered tracepoint: ust_tests_demo:done (in tracepoint_register_lib() at tracepoint.c:644)
liblttng_ust_tracepoint[11263/11263]: registered tracepoint: ust_tests_demo:starting (in tracepoint_register_lib() at tracepoint.c:644)
Demo program starting.

PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # lttng list -u
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
UST events:
-------------

PID: 11263 - Name: ./demo
ust_tests_demo2:loop (loglevel: TRACE_WARNING (4)) (type: tracepoint)
ust_tests_demo:done (loglevel: TRACE_CRIT (2)) (type: tracepoint)
ust_tests_demo:starting (loglevel: TRACE_CRIT (2)) (type: tracepoint)
ust_tests_demo3:done (loglevel: TRACE_WARNING (4)) (type: tracepoint)

PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # lttng start
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
liblttng_ust_tracepoint[11263/11264]: Registering probe to tracepoint lttng_ust:metadata (in __tracepoint_probe_register() at tracepoint.c:427)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
Tracing started for session ses1
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # lttng list
Available tracing sessions:
1) ses1 (/root/lttng-traces/ses1-20120815-121256) [active]

Use lttng list <session_name> for more details
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # lttng list -u
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
libust[11263/11264]: message received
(in ust_listener_thread() at lttng-ust-comm.c:783)
libust[11263/11264]: message successfully sent (in send_reply() at lttng-ust-comm.c:217)
UST events:
-------------

PID: 11263 - Name: ./demo
ust_tests_demo2:loop (loglevel: TRACE_WARNING (4)) (type: tracepoint)
ust_tests_demo:done (loglevel: TRACE_CRIT (2)) (type: tracepoint)
ust_tests_demo:starting (loglevel: TRACE_CRIT (2)) (type: tracepoint)
ust_tests_demo3:done (loglevel: TRACE_WARNING (4)) (type: tracepoint)

PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # ps -eaf | egrep "trace|lttng|demo"
root 5628 1 0 10:50 ? 00:00:00 lttng-sessiond -d
root 5715 1 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa
root 5725 1 0 10:50 ? 00:00:00 /opt/trace/sbin/trace_p
root 5789 5715 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa
root 6785 5628 0 11:02 ? 00:00:00 lttng-consumerd --quiet -u --consumerd-cmd-sock /var/run/lttng/ustconsumerd64/command --consumerd-err-sock /var/run/lttng/ustconsumerd64/error
root 11262 7858 0 12:14 pts/0 00:00:00 /bin/sh ./demo-trace 80
root 11263 11262 0 12:14 pts/0 00:00:00 ./demo 80
root 11321 7858 0 12:15 pts/0 00:00:00 egrep trace|lttng|demo
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # Tracing... done.
liblttng_ust_tracepoint[11263/11263]: just unregistered a tracepoints section from 0x602158 (in tracepoint_unregister_lib() at tracepoint.c:679)
libust[11263/11263]: just unregistered probe ust_tests_demo (in ltt_probe_unregister() at ltt-probes.c:131)
libust[11263/11263]: just unregistered probe ust_tests_demo2 (in ltt_probe_unregister() at ltt-probes.c:131)
libust[11263/11263]: just unregistered probe ust_tests_demo3 (in ltt_probe_unregister() at ltt-probes.c:131)
liblttng_ust_tracepoint[11263/11263]: Un-registering probe from tracepoint lttng_ust:metadata (in __tracepoint_probe_unregister() at tracepoint.c:470)
liblttng_ust_tracepoint[11263/11263]: Un-registering probe from tracepoint ust_tests_demo:done (in __tracepoint_probe_unregister() at tracepoint.c:470)
liblttng_ust_tracepoint[11263/11263]: Un-registering probe from tracepoint ust_tests_demo:starting (in __tracepoint_probe_unregister() at tracepoint.c:470)
liblttng_ust_tracepoint[11263/11263]: Un-registering probe from tracepoint ust_tests_demo2:loop (in __tracepoint_probe_unregister() at tracepoint.c:470)
liblttng_ust_tracepoint[11263/11263]: Un-registering probe from tracepoint ust_tests_demo3:done (in __tracepoint_probe_unregister() at tracepoint.c:470)
libust[11263/11263]: LTT : ltt ring buffer client exit
(in ltt_ring_buffer_client_discard_exit() at ltt-ring-buffer-client.h:590)
libust[11263/11263]: LTT : ltt ring buffer client exit
(in ltt_ring_buffer_client_overwrite_exit() at ltt-ring-buffer-client.h:590)
libust[11263/11263]: LTT : ltt ring buffer client exit
(in ltt_ring_buffer_metadata_client_exit() at ltt-ring-buffer-metadata-client.h:340)
libust[11263/11263]: just unregistered probe lttng_ust (in ltt_probe_unregister() at ltt-probes.c:131)
liblttng_ust_tracepoint[11263/11263]: just unregistered a tracepoints section from 0x7f74158a4bf8 (in tracepoint_unregister_lib() at tracepoint.c:679)

[1]+ Done LTTNG_UST_DEBUG=1 ./demo-trace 80
PL-4:/cluster/temp/tdlt/lttng_demo_bin # ps -eaf | egrep "trace|lttng|demo"
root 5628 1 0 10:50 ? 00:00:00 lttng-sessiond -d
root 5715 1 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa
root 5725 1 0 10:50 ? 00:00:00 /opt/trace/sbin/trace_p
root 5789 5715 0 10:50 ? 00:00:00 /opt/trace_ea/bin/TraceEa
root 6785 5628 0 11:02 ? 00:00:00 lttng-consumerd --quiet -u --consumerd-cmd-sock /var/run/lttng/ustconsumerd64/command --consumerd-err-sock /var/run/lttng/ustconsumerd64/error
root 11376 7858 0 12:16 pts/0 00:00:00 egrep trace|lttng|demo
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # lttng stop
Tracing stopped for session ses1
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # lttng list
Available tracing sessions:
1) ses1 (/root/lttng-traces/ses1-20120815-121256) [inactive]

Use lttng list <session_name> for more details
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin #
PL-4:/cluster/temp/tdlt/lttng_demo_bin # cd /root/lttng-traces/
PL-4:~/lttng-traces # ll
total 0
drwxrwx--- 3 root root 60 Aug 15 11:10 mysession-20120815-110912
drwxrwx--- 3 root root 60 Aug 15 12:13 ses1-20120815-121256
PL-4:~/lttng-traces #
PL-4:~/lttng-traces #
PL-4:~/lttng-traces # ll ses1-20120815-121256/ust/
total 0
drwxrwx--- 2 root root 40 Aug 15 12:15 demo-11263-20120815-121452
PL-4:~/lttng-traces # ll ses1-20120815-121256/ust/demo-11263-20120815-121452/
total 0
PL-4:~/lttng-traces #
PL-4:~/lttng-traces #
PL-4:~/lttng-traces # lttng -h
LTTng Trace Control 2.0.4 - Annedd'ale

usage: lttng [OPTIONS] <COMMAND>

Options:
-h, --help Show this help
--list-options Simple listing of lttng options
--list-commands Simple listing of lttng commands
-v, --verbose Increase verbosity
-q, --quiet Quiet mode
-g, --group NAME Unix tracing group name. (default: tracing)
-n, --no-sessiond Don't spawn a session daemon
--sessiond-path PATH Session daemon full path

Commands:
add-context Add context to event and/or channel
calibrate Quantify LTTng overhead
create Create tracing session
destroy Tear down tracing session
enable-channel Enable tracing channel
enable-event Enable tracing event
disable-channel Disable tracing channel
disable-event Disable tracing event
list List possible tracing options
set-session Set current session name
start Start tracing
stop Stop tracing
version Show version information
view Start trace viewer

Each command also has its own -h, --help option.

Please see the lttng(1) man page for full documentation.
See http://lttng.org for updates, bug reports and news.
PL-4:~/lttng-traces #
PL-4:~/lttng-traces #
PL-4:~/lttng-traces #
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